/* GENEL STİLLER */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e293b;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background-light: #f8fafc;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* LANGUAGE SWITCHER */
.language-switcher {
    background: var(--secondary-color);
    padding: 10px 0;
    text-align: right;
}

img.logo{
    width:200px;
    
}

.language-select {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--primary-color);
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}

.language-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--secondary-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
}

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    padding: 120px 0 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #fbbf24;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    background: var(--primary-color);
    color: var(--white);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
}

.hero-features {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
}

.feature-badge i {
    color: #fbbf24;
}

/* CLIENTS SECTION */
.clients {
    padding: 3rem 0;
    background: var(--white);
    border-bottom: 1px solid #e5e7eb;
}

.clients-title {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
}

.client-logo {
    text-align: center;
    padding: 1rem;
    color: var(--text-light);
    font-weight: 600;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.3s;
}

.client-logo:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* SERVICES SECTION */
.services {
    padding: 80px 0;
    background: var(--background-light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    margin-top: 1rem;
    text-align: left;
}

.service-features li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-light);
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ABOUT SECTION */
.about {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.feature div h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.feature div p {
    color: var(--text-light);
    margin: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--background-light);
    border-radius: 10px;
    border: 2px solid var(--primary-color);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-text {
    color: var(--text-light);
    font-weight: 500;
}

/* PORTFOLIO SECTION */
.portfolio {
    padding: 80px 0;
    background: var(--background-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    height: 300px;
}

.portfolio-item:hover {
    border-color: var(--primary-color);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, var(--secondary-color));
    color: var(--white);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-overlay h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.portfolio-overlay p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.portfolio-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.portfolio-link:hover {
    background: var(--accent-color);
}

/* PRICING SECTION */
.pricing {
    padding: 80px 0;
    background: var(--background-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    transition: transform 0.3s;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.7rem 0;
    border-bottom: 1px solid #f3f4f6;
    position: relative;
    padding-left: 2rem;
    color: var(--text-light);
}

.pricing-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    width: 100%;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* CONTACT SECTION */
.contact {
    padding: 80px 0;
    background: var(--background-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.contact-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
    background: var(--white);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group label {
    position: absolute;
    left: 12px;
    top: 12px;
    color: var(--text-light);
    transition: all 0.3s;
    pointer-events: none;
    background: var(--white);
    padding: 0 5px;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
}

/* FORM MESSAGE */
.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* BUTTON LOADING */
.btn-loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

/* FAQ SECTION */
.faq {
    padding: 80px 0;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-light);
    transition: background 0.3s;
}

.faq-question:hover {
    background: #e5e7eb;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

/* FOOTER */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p,
.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s;
    color: var(--white);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* MOBİL MENÜ DÜZENLEMESİ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--secondary-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        display: block;
        width: 100%;
        text-align: center;
        padding: 1.5rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--white);
        font-size: 1.1rem;
    }

    .nav-link:hover {
        background: var(--primary-color);
        color: var(--white);
    }

    .nav-toggle {
        display: flex;
    }

    /* Hamburger animasyonu */
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .hero-features {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-badge {
        width: fit-content;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .footer-content {
        gap: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
}